<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://jsptags.com/tags/navigation/pager" prefix="pg"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<html:form action="parameter.do?method=parameterImg" method="post">
<html:select property="examOrder" style="width:80px">
<html:option value="0">请选择</html:option>
<c:if test="${!empty parameters}">
<c:forEach items="${parameters}" var="parameter">
<html:option value="${parameter.examOrder}">${parameter.examOrder}</html:option>
</c:forEach>
</c:if>
</html:select>
<html:submit value="提交"></html:submit>
</html:form>
<center>
<img src="${graphURL }" width="1000" height="520" border="0" >
</center>
</body>
</html>